Tom in the library every night over the last three months. A. hworks B. worked C. have been working
问题描述:
Tom in the library every night over the last three months. A. hworks B. worked C. have been working
D,Had been working,答案应该选什么
答
选C.OVER+表示一段时间的词,通常表示的是从现在算起的过去几年/几月/几日等,因此通常与现在完成时连用.